CppTools: Tests: Introduce basic BuiltinSymbolSearcher tests

Change-Id: I25f11e80747863f797d146980d8ee0e605acb6e5
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

tests/cppsymbolsearcher/testdata_basic/file1.cpp

@@ -0,0 +1,63 @@
+// Copyright header
+
+//
+// Symbols in a global namespace
+//
+
+int myVariable;
+
+int myFunction(bool yesno, int number) {}
+
+enum MyEnum { V1, V2 };
+
+class MyClass
+{
+public:
+    MyClass() {}
+    int function1();
+    int function2(bool yesno, int number) {}
+};
+
+//
+// Symbols in a named namespace
+//
+
+namespace MyNamespace {
+
+int myVariable;
+
+int myFunction(bool yesno, int number) {}
+
+enum MyEnum { V1, V2 };
+
+class MyClass
+{
+public:
+    MyClass() {}
+    int function1();
+    int function2(bool yesno, int number) {}
+};
+
+} // namespace MyNamespace
+
+//
+// Symbols in an anonymous namespace
+//
+
+namespace {
+
+int myVariable;
+
+int myFunction(bool yesno, int number) {}
+
+enum MyEnum { V1, V2 };
+
+class MyClass
+{
+public:
+    MyClass() {}
+    int function1();
+    int function2(bool yesno, int number) {}
+};
+
+} // anonymous namespace